I always enjoyed horizontal splits when interacting with C-h k or a magit commit window, or anything like that.

Now I'm seeing vertical splits when I interact with those commands.

Is there a way to configure this behaviour so I only get horizontal splits?


1 Answer 1


The variables split-height-threshold and split-width-threshold can be customized to control how the function split-window-sensibly behaves: https://www.gnu.org/software/emacs/manual/html_node/elisp/Choosing-Window-Options.html The variable split-window-preferred-function has a default value of split-window-sensibly, the former of which is used by window--try-to-split-window, which is used by .... In a nutshell, a few of the key display-buffer family of functions use these settings.


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